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Patent US2915923A successfully refreshed from Google Patents.
US2915923A
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Power feed mechanism for machine tools
Assignee: Individual
•
Filing: 1957-01-28
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Granted: 1959-12-08
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Expires: 1977-01-28
Abstract
No abstract record available.
Inventors
- 👤 Fred G Burg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:02
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/32; B23Q5/52; B23Q2705/00; B23Q2705/10; B23Q2705/16; B23Q2705/165; B23Q2705/22; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5163; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6771
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |